Your strongest attack in mounted combat is undoubtedly the charge. Take this lance and mount the stabled Sunreaver hawkstrider just outside the pavilion.

Once you're mounted, speak with Rugan Steelbelly. He's on the northern edge of the tournament grounds at the training area east of the Aspirants' Ring. Rugan will tell you how to use this powerful ability and teach you some basic strategies.

After completing "The Valiant's Challenge", the following quests open up allowing players to repeat the valiant stage of daily quests (steps six and seven) for the other factions with which they have not yet earned the right to champion: